The Polysul-fit Polysulphate calculator is a powerful, yet simple to use tool to work out the correct application rate for your crop and situation.

Simple - yet powerful

To use the app, simply enter your crop, type of cropping, and soil type and the Polysul-Fit Polysulphate Calculator instantly gives you the recommended Polysulphate application rate. There are additional options to allow you to fine tune the calculation further for irrigated crops, or soil characteristics.

The free registration gives you the benefit of all your recommendations being saved within the app for easy access, and you can receive your recommendations direct to your email in-box.